package com.kaifamiao.thread.d0928;

public class Demo04 {


    public static void main(String[] args) {



    }
}

class A {

    int a = 1;

    int b = 2;

    String c = "abc";

    public A(){
        a = 10;
        b = 20;
        c = "egf";
    }
}
